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kinesis

n. a type of movement in which an organism’s response is related to the intensity of the stimulation but is not oriented in any spatial direction. An organism might be more or less active according to the amount of light, temperature, or humidity. Compare taxis; tropism.

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Psychology term of the day

May 8th 2024

midbrain

midbrain

n. a relatively small region of the upper brainstem that connects the forebrain and hindbrain. It contains the tectum (and associated inferior and superior colliculi), tegmentum, and substantia nigra. Also called mesencephalon.